Solar cells are given antireflection coatings to maximize their efficiency. consider a silicon solar cell (n=3.50)coated with a layer of silicon dioxide (n=1.45). what is the minimum coating thickness (but not zero) that will minimize the reflection at the wavelength of 697 nm where solar cells are most efficient?

e) none of the above answers are correct

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.